<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="icon" type="image/x-icon" href="https://www.xmind.cn/favicon.ico1">
    <style>
        div{
            background: rgb(245, 44, 124);
            width: 200px;
            height: 200px;
        }
        p{
            background: rgb(245, 44, 222);
            width: 1200px;
            height: 200px;
        }
        h1,h2,h3,h4,h5,h6{
            border: 2px solid rgb(252, 217, 16);
        }
        li{
            background: rgb(197, 24, 244);
            width: 200px;
            height: 50px;
        }
        img,a,b,strong,i,span{
            width: 200px;
            height: 200px;
        }
        form li{
            width: 600px;
        }
        input{
            height: 30px;
        }
        table{
            border: 1px solid red;
        }
        table tr td{
            border: 1px solid red;
        }
    </style>
</head>
<body>
    <div>
        块级元素，只用来布局，没有实际意义
    </div>
    <p>段落</p>
    <h1>一级标题</h1>
    <h2>二级标题</h2>
    <h3>三级标题</h3>
    <h4>四级标题</h4>
    <h5>五级标题</h5>
    <h6>六级标题</h6>
    <ul>
        <li>11111</li>
        <li>22222</li>
        <li>33333</li>
        <li>44444</li>
    </ul>
    <ol>
        <li>11111</li>
        <li>22222</li>
        <li>33333</li>
        <li>44444</li>
    </ol>
    <p>
        <img src="timg1.gif" alt="罗小黑">
        <a href="https://www.baidu.com/">跳转百度</a>
        <b>加粗</b>
        <strong>加粗，seo优化时用</strong>
        <i>斜体</i>
        <span>用来布局，无实际意义</span>
    </p>
    <form action="" method="post">
        <ul>
            <li>
                用户名：<input type="text" name="username" value="james">
            </li>
            <li>
                密码：<input type="password" name="password" placeholder="请输入密码">
            </li>
            <li>
                性别：男：<input type="radio" name="sex">女：<input type="radio" name="sex">
            </li>
            <li>
                爱好：羽毛球：<input type="checkbox" name="hobby[]">篮球：<input type="checkbox" name="hobby[]">
            </li>
            <li>
                专业：
                <select name="profession">
                    <option value="语文">语文</option>
                    <option value="数学">数学</option>
                    <option value="英语">英语</option>
                </select>
            </li>
            <li>
                留言：
                <textarea name="message" id="" cols="30" rows="10" placeholder="留言："></textarea>
            </li>
            <li>
                <input type="button" value="确定">
                <input type="submit" value="确定">
                <input type="reset" value="取消">
                <button>确定</button>
            </li>
        </ul>
    </form>
    <table>
        <tr>
            <td>序号</td>
            <td>姓名</td>
            <td>性别</td>
            <td>年龄</td>
            <td>身高</td>
        </tr>
        <tr>
            <td>1</td>
            <td>james001</td>
            <td>男</td>
            <td>29</td>
            <td>180</td>
        </tr>
        <tr>
            <td>2</td>
            <td>james002</td>
            <td>女</td>
            <td>32</td>
            <td>155</td>
        </tr>
    </table>
</body>
</html>